How do I pay my Citi credit card over the phone PAY-BY Phone
Event Date: Mar 28, 2026
You can pay your (+)1—855—945—3160 Citi credit card over the phone using either the automated system or by
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Start by calling the (+)1—855—945—3160 number on the back of your Citi credit card. If you don’t have it, you
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3160 for Costco Citi cards. These lines are usually available 24/7.
Once you call, (+)1—855—945—3160 you’ll hear an automated menu. Follow the prompts for “Make a Payment.”
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Before participating in this event, you must complete and sign the required document below.